Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 150 ppm 200 ppm 100 ppm 50 ppm 150 ppm 200 ppm 100 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum None of these In sewer treatment plants At sewer pipes In freshly produced sewage None of these In sewer treatment plants At sewer pipes In freshly produced sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The standard B.O.D. of water is taken for 2 days 5 days 1 day 3 days 2 days 5 days 1 day 3 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In 1000 kg of sewage, the total solids approximate 5 kg to 7.5 kg 0.5 to 1.0 kg 7.5 kg to 10 kg 1 kg to 2.0 kg 5 kg to 7.5 kg 0.5 to 1.0 kg 7.5 kg to 10 kg 1 kg to 2.0 kg ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.9 0.95 0.999 0.99 0.9 0.95 0.999 0.99 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Filtration process is used Neither A nor B Biological action is used Both A and B Filtration process is used Neither A nor B Biological action is used Both A and B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS